it left us all with lessons to learn and hopefully not repeat, and it left us all with a stake in this place. ♪ oh, when the saints go marching♪ ♪ >> it's an american city unlike any other. >> this part of the country had an entirely different colonial history. has different language forms, has different food, has different architecture. >> founded by france, briefly owned by spain, and once the capital of the slave tde, the bustling port city of new orleans has flourished as a multi-cultural haven. >> because there were french, spanish, english, american, indian, african and caribbean influences, you end up with actually different mixtures of people, names that you don't see anywhere else. >> that's pronounced tchoupitoulis. the allure of the city's rich history and culture has long masked a slew of modern day problems, a persistently high crime rate, corruption, racial and economic tensions and a troubled public school system. >> the big businesses in new orleans are tourism and the port. what do you do for tourism? are you going to say hey, we're crime capital of the world, su